Home / 6,427.02-9,642.93-2,916.78

Finding the Fourth Proportional to 6,427.02, 9,642.93 and 2,916.78

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Solution

The fourth proportional to 6,427.02, 9,642.93 and 2,916.78 is: 4,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.02 : 9,642.93 = 2,916.78 : x
  2. Step 2: Convert to fraction form
    6,427.02/9,642.93 = 2,916.78/x
  3. Step 3: Cross multiply
    6,427.02x = 9,642.93 × 2,916.78
  4. Step 4: Simplify right side
    6,427.02x = 28,126,305.37
  5. Step 5: Solve for x
    x = 28,126,305.37/6,427.02
  6. Step 6: Final answer
    x = 4,376.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.